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力学与实践 ›› 2016, Vol. 38 ›› Issue (5): 477-492.doi: 10.6052/1000-0879-16-243

• 专题综述 • 上一篇    下一篇

不同失效模式下轴压管状结构的吸能特性比较

邱信明1, 潘明乐1, 虞晓欢2, 王伟1, 刘雨喆1   

  1. 1. 清华大学航天航空学院, 北京 100084;
    2. 中国核动力研究设计院核反应堆系统设计技术重点实验室, 成都 610041
  • 收稿日期:2016-07-22 修回日期:2016-08-16 出版日期:2016-10-15 发布日期:2016-10-17
  • 通讯作者: 邱信明,E-mail:qxm@tsinghua.edu.cn E-mail:qxm@tsinghua.edu.cn
  • 作者简介:邱信明, 1974年出生,清华大学航天航空学院教授,博士生导师.长期从事固体力学和冲击动力学的教学和科研,有丰富的理论建模分析和数值仿真经验.近年来的研究主要侧重于多孔介质、夹芯结构、管状结构等能量吸收构件的塑性力学响应.已出版专著《冲击动力学》1部,发表学术论文60余篇,其中SCI检索49篇,被引用780余次.主持国家自然科学基金项目3项,作为骨干参与国家973项目3项.获得清华大学学术新人奖、清华大学青年教师教学优秀奖,入选教育部新世纪人才计划.
  • 基金资助:

    国家自然科学基金资助项目(11372163).

ANALYSIS OF THE ENERGY ABSORPTION PROPERTIES FOR TUBULAR STRUCTURE UNDER AXIAL COMPRESSION OF DIFFERENT FAILURE MODELS

QIU Xinming1, PAN Mingle1, YU Xiaohuan2, WANG Wei1, LIU Yuzhe1   

  1. 1. School of Aerospace Engineering, Tsinghua University, Beijing 100084, China;
    2. Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610041, China
  • Received:2016-07-22 Revised:2016-08-16 Online:2016-10-15 Published:2016-10-17

摘要:

圆管、方管等管状结构受轴向的压缩作用,是工程上常见的一种结构受力形式.由于几何尺寸、边界条件和材料特性的不同,管状结构可以发生5种不同的失效模式:渐进屈曲、整体失稳、翻转、膨胀和劈裂.本文综述了近年来管状结构在轴压作用下不同失效模式的理论建模、实验测试和数值仿真研究结果,并对5种失效模式的力学响应、能量吸收特性进行了对比与分析.

关键词:

圆管|方管|渐进屈曲|整体失稳|翻转|膨胀|劈裂

Abstract:

Tubular structures such as circular tubes and square tubes under axial compression, are widely used as structural components in engineering applications. Considering the difference of tube geometries, boundary conditions and material properties, we classify the failure of tubes under axial compression into 5 different mechanisms: progressive buckling, global buckling, inversion, expansion and splitting. In this paper, the theoretical, experimental and numerical studies about the different failure modes of tubes under axial compression are reviewed, and the mechanical responses and energy absorption properties are compared and discussed.

Key words:

circular tube|square tube|progressive buckling|global buckling|inversion|expansion|splitting

中图分类号: 

  • TE371